Weirdest Range?

Corey is a New Yorker who lived most of his life in upstate New York but has lived in Queens since 2008. He's only been birding since 2005 but has garnered a respectable life list by birding whenever he wasn't working as a union representative or spending time with his family. He lives in Forest Hills with Daisy, their son, Desmond Shearwater, and their indoor cat, B.B. His bird photographs have appeared on the Today Show, in Birding, Living Bird Magazine, Bird Watcher's Digest, and many other fine publications. He is also the author of the American Birding Association Field Guide to the Birds of New York.

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That’s awesome. I often wonder how much of that is an artifact of birder behavior. That one dot in upper Michigan appears to be over the Whitefish Point/Sault Ste. Marie area, which is one of the most heavily birded areas of the midwest.

Regarding Azure-winged Magpies: and they are very nice birds, too! Not like a certain heron who pals around with Yellow-crowned Youknowwhats!
I am not entirely sure but think I read somewhere that fossils of the magpies had been found in some areas between China and Spain/Portugal, supporting it is a natural distribution pattern and not – what has been / still is an alternate hypothesis – an early example of escaped captive birds from China establishing “wild” populations a long, long, long time ago.

It’s clearly an artefact of contraction, given that DNA analysis shows they have been apart for a million years. A more confusing disjunct distribution are the Cyanoramphus parakeets, which are found in New Zealand and New Caledonia and the surrounding islands, and were found in the Society Islands, but nowhere in between, even in the fossil record.